National Park Service (NPS)
302,645Words in 41 parts
11.0Restriction density (per 1,000 words)
18.0Reading grade
86.9%Unchanged since 2017
1Flagged parts
2026-10-28Last change
Section changes per year
From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.
Text and size
- Sentences
- 29.7 words on average; 21.8% over 40 words; 37.9% passive; 9.3 cross-references per 1,000 words
- Sentence types
- definition 5.8% · prohibition 8.6% · paperwork 4.5% · obligation 15.6% · permission 12.8% · other 52.7%
- Checksum
df18f4ed218fbcb6f03d61683422cedac07ed41fca5a6a51f99a000431713e9d
Review candidates in this agency
| Rank | Part | Words | Score |
|---|---|---|---|
| 634 top 10% | 36 CFR 9
MINERALS MANAGEMENT
High signals: Size
+1.0 SD |
20,368 | 0.70 |
| 777 | 36 CFR 60
NATIONAL REGISTER OF HISTORIC PLACES
High signals: Paperwork share
+1.6 SD |
9,778 | 0.65 |
| 1,303 | 36 CFR 71
RECREATION FEES
High signals: Directive share
+1.4 SD · Restriction density
+1.3 SD |
5,069 | 0.47 |
| 1,636 | 36 CFR 67
HISTORIC PRESERVATION CERTIFICATIONS UNDER THE INTERNAL REVENUE CODE
High signals: none above 1 SD; ranked by the combined score |
10,497 | 0.38 |
| 1,889 | 36 CFR 61
PROCEDURES FOR STATE, TRIBAL, AND LOCAL GOVERNMENT HISTORIC PRESERVATION PROGRAMS
High signals: none above 1 SD; ranked by the combined score |
4,310 | 0.30 |
| 2,323 | 36 CFR 13
NATIONAL PARK SYSTEM UNITS IN ALASKA
High signals: Size
+1.4 SD |
29,551 | 0.20 |
| 2,336 | 36 CFR 7
SPECIAL REGULATIONS, AREAS OF THE NATIONAL PARK SYSTEM
High signals: Size
+2.3 SD |
81,931 | 0.19 |
| 2,397 | 36 CFR 51
CONCESSION CONTRACTS
High signals: none above 1 SD; ranked by the combined score |
18,570 | 0.18 |
| 2,423 | 36 CFR 6
SOLID WASTE DISPOSAL SITES IN UNITS OF THE NATIONAL PARK SYSTEM
High signals: Reading grade
+1.2 SD |
4,988 | 0.17 |
| 2,468 | 36 CFR 18
LEASING OF PROPERTIES IN PARK AREAS
High signals: none above 1 SD; ranked by the combined score |
4,174 | 0.16 |
| 2,570 | 36 CFR 30
WHISKEYTOWN-SHASTA-TRINITY NATIONAL RECREATION AREA: ZONING STANDARDS FOR WHISKEYTOWN UNIT
High signals: none above 1 SD; ranked by the combined score |
2,496 | 0.14 |
| 2,695 | 36 CFR 79
CURATION OF FEDERALLY OWNED OR ADMINISTERED ARCHEOLOGICAL COLLECTIONS
High signals: Reading grade
+1.5 SD |
14,199 | 0.11 |
| 2,711 | 36 CFR 2
RESOURCE PROTECTION, PUBLIC USE AND RECREATION
High signals: none above 1 SD; ranked by the combined score |
12,758 | 0.10 |
| 3,042 | 36 CFR 27
CAPE COD NATIONAL SEASHORE; ZONING STANDARDS
High signals: none above 1 SD; ranked by the combined score |
1,204 | 0.03 |
| 3,137 | 36 CFR 5
COMMERCIAL AND PRIVATE OPERATIONS
High signals: none above 1 SD; ranked by the combined score |
2,737 | 0.01 |
| 3,157 | 36 CFR 17
CONVEYANCE OF FREEHOLD AND LEASEHOLD INTERESTS ON LANDS OF THE NATIONAL PARK SYSTEM
High signals: none above 1 SD; ranked by the combined score |
1,727 | 0.01 |
| 3,176 | 36 CFR 4
VEHICLES AND TRAFFIC SAFETY
High signals: none above 1 SD; ranked by the combined score |
3,864 | 0.00 |
| 3,312 | 36 CFR 8
LABOR STANDARDS APPLICABLE TO EMPLOYEES OF NATIONAL PARK SERVICE CONCESSIONERS
High signals: Paperwork share
+1.6 SD |
1,035 | -0.03 |
| 3,668 | 36 CFR 72
URBAN PARK AND RECREATION RECOVERY ACT OF 1978
High signals: none above 1 SD; ranked by the combined score |
16,348 | -0.11 |
| 3,882 | 36 CFR 28
FIRE ISLAND NATIONAL SEASHORE: ZONING STANDARDS
High signals: none above 1 SD; ranked by the combined score |
5,282 | -0.16 |
| 3,918 | 36 CFR 3
BOATING AND WATER USE ACTIVITIES
High signals: none above 1 SD; ranked by the combined score |
3,046 | -0.16 |
| 3,937 | 36 CFR 64
GRANTS AND ALLOCATIONS FOR RECREATION AND CONSERVATION USE OF ABANDONED RAILROAD RIGHTS-OF-WAY
High signals: none above 1 SD; ranked by the combined score |
4,169 | -0.17 |
| 4,084 | 36 CFR 63
DETERMINATIONS OF ELIGIBILITY FOR INCLUSION IN THE NATIONAL REGISTER OF HISTORIC PLACES
High signals: none above 1 SD; ranked by the combined score |
1,687 | -0.20 |
| 4,213 | 36 CFR 12
NATIONAL CEMETERIES
High signals: none above 1 SD; ranked by the combined score |
2,523 | -0.23 |
| 4,344 | 36 CFR 65
NATIONAL HISTORIC LANDMARKS PROGRAM
High signals: none above 1 SD; ranked by the combined score |
6,531 | -0.27 |
Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 25. A flag is not a finding.
Statutes behind the most text
- 54 U.S.C. 100101: 166,774 words in 11 parts (55.1% of this agency's text)
- 16 U.S.C. 3101: 49,919 words in 2 parts (16.5% of this agency's text)
- 16 U.S.C. 1: 34,949 words in 8 parts (11.5% of this agency's text)
- 16 U.S.C. 470: 29,434 words in 7 parts (9.7% of this agency's text)
- 31 U.S.C. 9701: 25,473 words in 2 parts (8.4% of this agency's text)
- 16 U.S.C. 1131: 20,368 words in 1 parts (6.7% of this agency's text)
- 16 U.S.C. 1901: 20,368 words in 1 parts (6.7% of this agency's text)
- 16 U.S.C. 230a: 20,368 words in 1 parts (6.7% of this agency's text)
- 16 U.S.C. 347: 20,368 words in 1 parts (6.7% of this agency's text)
- 16 U.S.C. 410bb: 20,368 words in 1 parts (6.7% of this agency's text)
From the authority notes. A citation is not proof that the statute requires the rule.
Largest parts
- 36 CFR 7: SPECIAL REGULATIONS, AREAS OF THE NATIONAL PARK SYSTEM (81,931 words)
- 36 CFR 13: NATIONAL PARK SYSTEM UNITS IN ALASKA (29,551 words)
- 36 CFR 9: MINERALS MANAGEMENT (20,368 words)
- 36 CFR 51: CONCESSION CONTRACTS (18,570 words)
- 36 CFR 72: URBAN PARK AND RECREATION RECOVERY ACT OF 1978 (16,348 words)
- 36 CFR 79: CURATION OF FEDERALLY OWNED OR ADMINISTERED ARCHEOLOGICAL COLLECTIONS (14,199 words)
- 36 CFR 2: RESOURCE PROTECTION, PUBLIC USE AND RECREATION (12,758 words)
- 36 CFR 67: HISTORIC PRESERVATION CERTIFICATIONS UNDER THE INTERNAL REVENUE CODE (10,497 words)
- 36 CFR 60: NATIONAL REGISTER OF HISTORIC PLACES (9,778 words)
- 36 CFR 62: NATIONAL NATURAL LANDMARKS PROGRAM (6,682 words)
Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.